:root {
  --bg: #f4f7fb;
  --bg-accent: radial-gradient(circle at top left, rgba(34,197,94,0.08), transparent 28%), radial-gradient(circle at top right, rgba(59,130,246,0.10), transparent 30%), linear-gradient(180deg, #f8fbff 0%, #f4f7fb 55%, #eef3f9 100%);
  --card: rgba(255,255,255,0.94);
  --card-strong: #ffffff;
  --text: #142033;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --shadow: 0 18px 48px rgba(15,23,42,0.08);
  --shadow-soft: 0 8px 24px rgba(15,23,42,0.06);
  --border: rgba(148,163,184,0.22);
  --border-strong: rgba(148,163,184,0.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  background: var(--bg-accent);
  color: var(--text);
  min-height: 100vh;
}

body.watermarked { position: relative; }
body.watermarked::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url('/mobi_logo.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: min(540px, 82vw);
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}
body.watermarked > * { position: relative; z-index: 1; }

a { color: var(--primary); }

header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,0.78);
  border-bottom: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 8px 30px rgba(15,23,42,0.08);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all .16s ease;
}
.nav a:hover {
  color: var(--text);
  background: rgba(37,99,235,0.08);
  border-color: rgba(37,99,235,0.12);
}
.nav a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  border-color: rgba(37,99,235,0.36);
  box-shadow: 0 8px 18px rgba(37,99,235,0.22);
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 12px;
}
input, select, textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  font-size: 14px;
  background: var(--card-strong);
  color: var(--text);
  margin-top: 6px;
  box-shadow: inset 0 1px 1px rgba(255,255,255,.55);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(37,99,235,0.45);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.10);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  background: rgba(255,255,255,0.92);
  color: var(--text);
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
  box-shadow: 0 6px 14px rgba(15,23,42,0.04);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 18px rgba(15,23,42,0.08); }
.btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
  border-color: rgba(37,99,235,0.36);
}
.btn.danger {
  background: linear-gradient(135deg, #ef4444, var(--danger));
  color: white;
  border-color: rgba(220,38,38,0.34);
}

.badge, .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255,255,255,0.88);
}

.muted { color: var(--muted); }
.alert {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(248,113,113,0.25);
  background: rgba(254,242,242,0.94);
  margin-top: 10px;
  color: #7f1d1d;
  white-space: pre-wrap;
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}
.table thead th {
  position: sticky;
  top: 0;
  background: rgba(241,245,249,0.96);
  color: #334155;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.table th, .table td {
  border-bottom: 1px solid rgba(226,232,240,0.9);
  padding: 12px 10px;
  text-align: left;
  font-size: 14px;
  vertical-align: top;
}
.table tbody tr:hover { background: rgba(37,99,235,0.035); }

hr {
  border: none;
  border-top: 1px solid rgba(226,232,240,0.92);
  margin: 16px 0;
}

.thumb {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

.status-ok { color: var(--success); font-weight: 700; }
.status-warn { color: var(--warning); font-weight: 700; }
.status-error { color: var(--danger); font-weight: 700; }

@media (max-width: 760px) {
  .container { padding: 14px; }
  .card { padding: 14px; border-radius: 18px; }
  .table { display: block; overflow-x: auto; }
}